BS ISO 12251:2017 Diesel engines. Clamp mounted CR fuel injectors. Mounting dimensions

Engine fuel systems
Designations
Compression-ignition engines
Fuel injectors
Dimensions
Clamps (mechanical)
Diesel engines
Internal combustion engines
Engine components
Link: BS ISO 12251:2017 Diesel engines. Clamp mounted CR fuel injectors. Mounting dimensions
Source: BSI Standards